8355973 has 4 divisors (see below), whose sum is σ = 8644140. Its totient is φ = 8067808.

The previous prime is 8355967. The next prime is 8356001. The reversal of 8355973 is 3795538.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 1481089 = 2622^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 8355973 - 2²¹ = 6258821 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8355073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144040 + ... + 144097.

It is an arithmetic number, because the mean of its divisors is an integer number (2161035).

Almost surely, 2^8355973 is an apocalyptic number.

It is an amenable number.

8355973 is a deficient number, since it is larger than the sum of its proper divisors (288167).

8355973 is a wasteful number, since it uses less digits than its factorization.

8355973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288166.

The product of its digits is 113400, while the sum is 40.

The square root of 8355973 is about 2890.6699915418. The cubic root of 8355973 is about 202.9234992061.

The spelling of 8355973 in words is "eight million, three hundred fifty-five thousand, nine hundred seventy-three".